ilADTBasedObject Class Reference

ADT based-object base class. More...

Inheritance diagram for ilADTBasedObject:

Collaboration diagram for ilADTBasedObject:

Public Member Functions
	__construct ()
	Constructor. More...
	getProperties ()
	Get all properties. More...
	isValid ()
	Validate. More...
	__call ($a_method, $a_value)
	Get property magic method ("get<PropertyName>()") More...
	read ()
	Read record. More...
	create ()
	Create record (only if valid) More...
	update ()
	Update record (only if valid) More...
	delete ()
	Delete record. More...
	getDBErrors ()
	Get DB errors. More...
	translateDBErrorCodes (array $a_codes)
	Translate DB error codes. More...
	getAllTranslatedErrors ($delimiter="\)
	Get translated error codes (DB, Validation) More...

Protected Member Functions
	initProperties ()
	Init properties (aka set ADT definition) More...
	parsePrimary (array $a_args)
	Parse incoming primary key. More...
	hasPrimary ()
	Check if currently has primary. More...
	createPrimaryKey ()
	Create new primary key, e.g. More...
	initDBBridge (ilADTGroupDBBridge $a_adt_db)
	Init (properties) DB bridge. More...
	initActiveRecordInstance ()
	Init active record helper for current table, primary and properties. More...

Protected Attributes
	$properties = array()
	$db_errors = array()

Detailed Description

ADT based-object base class.

Currently "mixed" with ActiveRecord-pattern, could be splitted

Author

Jörg Lützenkirchen luetz.nosp@m.enki.nosp@m.rchen.nosp@m.@lei.nosp@m.fos.c.nosp@m.om

Version

$Id$

Definition at line 13 of file class.ilADTBasedObject.php.

Constructor & Destructor Documentation

__construct()

ilADTBasedObject::__construct

(

)

Constructor.

Tries to read record from DB, in accordance to current ILIAS behaviour

Returns

self

Definition at line 25 of file class.ilADTBasedObject.php.

References initProperties(), parsePrimary(), and read().

    {
        $this->properties = $this->initProperties();
        
        // :TODO: to keep constructor "open" we COULD use func_get_args()
        $this->parsePrimary(func_get_args());
        $this->read();
    }

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Member Function Documentation

__call()

ilADTBasedObject::__call	(		$a_method,
			$a_value
	)

Get property magic method ("get<PropertyName>()")

Setters are type-specific and cannot be magic

Exceptions

Exception

Parameters

string	$a_method
mixed	$a_value

Returns

ilADT

Definition at line 76 of file class.ilADTBasedObject.php.

References $type, createPrimaryKey(), hasPrimary(), initDBBridge(), and parsePrimary().

    {
        $type = substr($a_method, 0, 3);
        switch ($type) {
            case "get":
                $parsed = strtolower(preg_replace("/([A-Z])/", " $1", substr($a_method, 3)));
                $parsed = str_replace(" ", "_", trim($parsed));
                if (!$this->properties->hasElement($parsed)) {
                    throw new Exception("ilADTObject unknown property " . $parsed);
                }
                return $this->properties->getElement($parsed);
            
            default:
                throw new Exception("ilADTObject unknown method " . $parsed);
        }
    }

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create()

ilADTBasedObject::create

(

)

Create record (only if valid)

Returns

boolean

Definition at line 172 of file class.ilADTBasedObject.php.

References createPrimaryKey(), ilADTDBException\getColumn(), hasPrimary(), initActiveRecordInstance(), isValid(), and update().

Referenced by update().

    {
        if ($this->hasPrimary()) {
            return $this->update();
        }
        
        if ($this->isValid()) {
            if ($this->createPrimaryKey()) {
                try {
                    $rec = $this->initActiveRecordInstance();
                    $rec->create();
                } catch (ilADTDBException $e) {
                    $this->db_errors[$e->getColumn()][] = $e->getCode();
                    return false;
                }
                return true;
            }
        }
        return false;
    }

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createPrimaryKey()

ilADTBasedObject::createPrimaryKey ( )

abstractprotected

Create new primary key, e.g.

sequence

Returns

bool

Referenced by __call(), and create().

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delete()

ilADTBasedObject::delete

(

)

Delete record.

Returns

boolean

Definition at line 222 of file class.ilADTBasedObject.php.

References hasPrimary(), and initActiveRecordInstance().

    {
        if ($this->hasPrimary()) {
            $rec = $this->initActiveRecordInstance();
            $rec->delete();
            return true;
        }
        return false;
    }

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getAllTranslatedErrors()

ilADTBasedObject::getAllTranslatedErrors

(

$delimiter = "\n"

)

Get translated error codes (DB, Validation)

Parameters

type

$delimiter

Returns

string

Definition at line 277 of file class.ilADTBasedObject.php.

References $delimiter, getDBErrors(), getProperties(), and translateDBErrorCodes().

    {
        $tmp = array();
        
        foreach ($this->getProperties()->getValidationErrorsByElements() as $error_code => $element_id) {
            $tmp[] = $element_id . " [validation]: " . $this->getProperties()->translateErrorCode($error_code);
        }
        
        foreach ($this->getDBErrors() as $element_id => $codes) {
            $tmp[] = $element_id . " [db]: " . implode($delimiter, $this->translateDBErrorCodes($codes));
        }
        
        if (sizeof($tmp)) {
            return get_class($this) . $delimiter . implode($delimiter, $tmp);
        }
    }

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getDBErrors()

ilADTBasedObject::getDBErrors

(

)

Get DB errors.

Returns

array

Definition at line 237 of file class.ilADTBasedObject.php.

References $db_errors.

Referenced by getAllTranslatedErrors().

    {
        return $this->db_errors;
    }

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getProperties()

ilADTBasedObject::getProperties

(

)

Get all properties.

Returns

array ilADT

Definition at line 51 of file class.ilADTBasedObject.php.

References $properties.

Referenced by getAllTranslatedErrors().

    {
        return $this->properties;
    }

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hasPrimary()

ilADTBasedObject::hasPrimary ( )

abstractprotected

Check if currently has primary.

Returns

bool

Referenced by __call(), create(), delete(), initActiveRecordInstance(), read(), and update().

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initActiveRecordInstance()

ilADTBasedObject::initActiveRecordInstance ( )

protected

Init active record helper for current table, primary and properties.

Returns

ilADTActiveRecord

Definition at line 132 of file class.ilADTBasedObject.php.

References $DIC, $factory, $ilDB, ilADTFactory\getInstance(), hasPrimary(), and initDBBridge().

Referenced by create(), delete(), read(), and update().

    {
        global $DIC;

        $ilDB = $DIC['ilDB'];
        
        if (!$this->hasPrimary()) {
            throw new Exception("ilADTBasedObject no primary");
        }
        
        $factory = ilADTFactory::getInstance();
        $this->adt_db = $factory->getDBBridgeForInstance($this->properties);
        $this->initDBBridge($this->adt_db);
        
        // use custom error handling
        include_once "Services/ADT/classes/class.ilADTDBException.php";
        $ilDB->exception = "ilADTDBException";
                        
        return $factory->getActiveRecordInstance($this->adt_db);
    }

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initDBBridge()

ilADTBasedObject::initDBBridge ( ilADTGroupDBBridge  $a_adt_db )

abstractprotected

Init (properties) DB bridge.

Parameters

ilADTGroupDBBridge

$a_adt_db

Referenced by __call(), and initActiveRecordInstance().

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initProperties()

ilADTBasedObject::initProperties ( )

abstractprotected

Init properties (aka set ADT definition)

Returns

ilADT

Referenced by __construct().

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isValid()

ilADTBasedObject::isValid

(

)

Validate.

Returns

bool

Definition at line 61 of file class.ilADTBasedObject.php.

Referenced by create(), and update().

    {
        return $this->properties->isValid();
    }

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parsePrimary()

ilADTBasedObject::parsePrimary ( array  $a_args )

abstractprotected

Parse incoming primary key.

See also

__construct()

Parameters

array

$a_args

Referenced by __call(), and __construct().

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read()

ilADTBasedObject::read

(

)

Read record.

Returns

boolean

Definition at line 158 of file class.ilADTBasedObject.php.

References hasPrimary(), and initActiveRecordInstance().

Referenced by __construct().

    {
        if ($this->hasPrimary()) {
            $rec = $this->initActiveRecordInstance();
            return $rec->read();
        }
        return false;
    }

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translateDBErrorCodes()

ilADTBasedObject::translateDBErrorCodes

(

array

$a_codes

)

Translate DB error codes.

Parameters

array

$a_codes

Returns

array

Definition at line 248 of file class.ilADTBasedObject.php.

References $code, $DIC, $lng, and $res.

Referenced by getAllTranslatedErrors().

    {
        global $DIC;

        $lng = $DIC['lng'];
        
        $res = array();
    
        foreach ($a_codes as $code) {
            switch ($code) {
                case MDB2_ERROR_CONSTRAINT:
                    $res[] = $lng->txt("adt_error_db_constraint");
                    break;
                    
                default:
                    $res[] = "Unknown ADT error code " . $code;
                    break;
            }
        }
        
        return $res;
    }

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update()

ilADTBasedObject::update

(

)

Update record (only if valid)

Returns

boolean

Definition at line 198 of file class.ilADTBasedObject.php.

References create(), ilADTDBException\getColumn(), hasPrimary(), initActiveRecordInstance(), and isValid().

Referenced by create().

    {
        if (!$this->hasPrimary()) {
            return $this->create();
        }
        
        if ($this->isValid()) {
            try {
                $rec = $this->initActiveRecordInstance();
                $rec->update();
            } catch (ilADTDBException $e) {
                $this->db_errors[$e->getColumn()][] = $e->getCode();
                return false;
            }
            return true;
        }
        return false;
    }

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Field Documentation

$db_errors

ilADTBasedObject::$db_errors = array()

protected

Definition at line 16 of file class.ilADTBasedObject.php.

Referenced by getDBErrors().

$properties

ilADTBasedObject::$properties = array()

protected

Definition at line 15 of file class.ilADTBasedObject.php.

Referenced by getProperties().

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The documentation for this class was generated from the following file:

• Services/ADT/classes/_Example/class.ilADTBasedObject.php